Death of Gérard Debreu (French economist and mathematician), December 31. Gérard Debreu was a prominent figure in twentieth-century economics and mathematics, passing away on this date in 2004. Born in France in 1921, Debreu made significant contributions to general equilibrium theory and mathematical economics, profoundly influencing the development of economic science. In 1983, he was awarded the Nobel Prize in Economics for his rigorous mathematical formulation of general equilibrium theory. Debreu spent much of his academic career in the United States, teaching at institutions such as Berkeley. His works, especially the book 'Theory of Value,' are considered foundational texts in theoretical economics. Debreu's research advanced the use of mathematical tools in economic analysis and paved the way for further studies in modern economics. His death on December 31, 2004, was noted by the academic and scientific community, and he is remembered as a pioneer in mathematical economics. This date was added to the Gregorian calendar by certain academic and scientific institutions to commemorate his significant role in advancing the fields of economics and mathematics.
